This is the dilemma Bryan Johnson, the billionaire obsessed with prolonging his life, is probably asking himself. There are only so many boners a man can have before he needs to shoot his cannon. And as a father of one, Bryan Johnson, who famously brags that he has the nighttime erections of an 18-year-old, might be doomed to raising an only child.

Not that he could get another woman to let him impregnate her — that ship has clearly sailed — but at least in theory, it must suck knowing that your baby batter is full of tiny pieces of garbage bags.

Stuff I’m exploring for longevity:

Past:
HBOT (hyperbaric oxygen therapy)
cerebrolysin
MSCs (mesenchymal stem cells)
TPE (total plasma exchange)
blood boy
rapamycin
plasmalogens

Present:
sauna
metformin

Future:
IHHT (intermittent hypoxia-hyperoxia therapy)
EMF reduction…

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— Bryan Johnson (@bryan_johnson) July 15, 2025

At the same time, that hasn’t stopped him. Johnson is still searching for the elixir of life, and his new findings include some concerning areas of exploration. While he has moved on from his “blood boy” (i.e., his son), he’s now experimenting with treatments that are even more concerning like PEMF (pulsed electromagnetic field therapy) and methylene blue.

I have no idea if this is a good or bad thing, but I do think it’s the Joker’s origin story.

If I was a billionaire I would be having so much fun probably relaxing on a private beach somewhere wrist deep in cocktails and top shelf snacks but this is fine too I guess pic.twitter.com/ac9uy3Nza6

— Jarvis (@jarvis_best) July 15, 2025